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BeckyをOutlook PST形式に移行するには？ベストな方法

  武志 雄人
武志 雄人
Published: October 22nd, 2025 • 7 Min Read

Can I export Becky to PST for Outlook account? Becky to Outlook migration can be done with built-in options to save emails as .eml and .mbox and expert tools to manage your data. Here you will get all the information along with a step-by-step guide to import your data.

Becky Internet Mail is a well-known email service used to send and receive emails, which allows you to easily manage your messages using filters, templates, labels, and folders. It is a desktop-based email service that allows you to preview messages in plain text.

On the other hand, Outlook is a more famous and widely used email client developed by Microsoft. It is also a desktop-based email client for sending and receiving emails. Experts prefer to migrate from Becky to Outlook as it offers advanced features far superior to any other email service.

What are the main reasons for exporting Becky to a PST account?

Outlook should be your first choice over Beckymail as Beckymail has several drawbacks, some of which are mentioned below:

  • Becky Mail does not have any spam filtering options to manage your mailbox.
  • Becky’s phishing warning is not smart.
  • Also, the search option does not work properly.
  • It doesn’t have the same high level of security and safety as Outlook.
  • Becky Mail’s interface is outdated while Outlook’s GUI is more interesting and user-friendly.
  • Users can manage complete data in Outlook, but Beckymail lacks these features.

How to manually migrate from Becky to Outlook?

You can migrate Becky emails to your Outlook account using the built-in Becky email export option in .eml and .mbox formats. Here we will show you which methods and file extensions are best to export Becky emails to PST 2021, 2019, 2016, 2013, and earlier versions.

Steps to migrate a single Becky email

If you want to export a small number of emails from Becky Mail to your Outlook account, follow this method. Here, you will export the emails in .eml format and then import the saved EML files into your Outlook account via drag and drop.

  1. Launch Becky Mail.
  2. Select the “File” tab from the top .
  3. Select the Export… button .
  4. After that, select ” EML ” and click the ” OK ” button.
  5. Specify the path to download the exported file.
  6. Follow these steps to export other single and important emails.

Import the exported file into Outlook

  1. Create a new empty folder in Outlook.
  2. Locate the saved EML file.
  3. Right-click on each EML file.
  4. Select the “Open with” option.
  5. And select the ” Outlook ” option.
  6. The EML file will open in Outlook.
  7. Then select the “Move to” option from the top.
  8. Then select the newly created folder and move the emails to one place.

Disadvantages of this manual method

  • This method is suitable only if you have a small or limited number of emails you need to migrate from Becky to Outlook.
  • Users will have to go through similar steps again and again for each email to export Becky to PST in their Outlook account.
  • Due to the email-by-email process, file or folder hierarchy is not maintained.
  • Not suitable for professionals or large mailboxes.

What is the best way to migrate from Becky to Outlook?

If you have a large mailbox and don’t want to go through a similar process, you’ll need to download the emails from Becky’s account in MBOX format and use BitRecover’s MBOX conversion tool.

Since Outlook does not directly support the MBOX format for importing any data, you will need to use the professional MBOX to PST conversion solution mentioned above.

And don’t worry, this software will keep all your original data and email information without saving, without losing your important data during the Becky to Outlook migration process. Check out the mentioned working steps and features for a better introduction.

How to Migrate from Becky to Outlook Account – All Steps

Important Note: If you have not exported your emails in .mbox format, please follow the given steps first and use a reliable tool.

  1. Open Becky’s email.
  2. Select the “File” >> “Export” option.
  3. Then select ” Unix MBOX ” from the list.
  4. Select the path where you want to download the output data file.
  5. And then you will get Becky’s emails in MBOX format to the location of your choice.

Use the expert tool to convert Becky to PST format for Outlook migration now.

  1. Download the software and install it properly. After that, start it, read all the mentioned points and select the “Next” button.

    Becky Outlook migration free

  2. You will be prompted to upload data via “Choose File” and “Choose Folder” options.

    Add a file

  3. All folders will be displayed in the panel, check the required data files you want to migrate.

    All data files

  4. After that, select “PST” as the save type from the “Select Save Option” list.

    Select PST

  5. Apply filters from the Filters tab or select as required from the main screen and export the Binary to PST format .

    Advanced Filters

  6. Finally, select “Next” button to start Becky to Outlook migration.

    Becky to Outlook Migration

Finally, the PST file will be created in the selected location. Open this PST file in your Outlook email client to access your data:

  1. Launch the Outlook client.
  2. Select the “File” tab from the top .

    file

  3. Select “Open & Export” and then ” Import/ Export” option.

    Open and Export

  4. After that , select “Import from another program” and select the “Next” icon.

    Import from another program

  5. Now select the ” Outlook Data File (.PST )” option and click the “Next” button .

    Outlook Data File

  6. Select the folder into which you want to import the data.

    Select a folder

  7. Finally, specify the destination where you want to upload the converted PST file.

    Select a destination

Now your Becky to Outlook migration is complete. You can choose the method that best suits your needs. However, we recommend using a professional solution:

What are the advantages of using Becky to Outlook Migration?

  • The software comes with various unique settings to migrate only selected emails by providing specific information such as date range, to, from, subject, etc.
  • Besides, this Becky to Outlook migration tool allows you to split the output PST file into 2GB, 5GB, 10GB, 20GB, 30GB, 40GB.
  • Users can merge and create separate output data files according to the uploaded Becky data files, making data organization easier.
  • This software has the power to migrate multiple large Becky Mail data files without losing any information or data.
  • Professionals choose this Becky to Outlook migration software because it preserves the original folder hierarchy and email components including email headers and body with attachments.
  • The output PST file is accepted by all latest Outlook versions including 2021, 2019, 2016, 2013, etc.

FAQ

  1. How to export Becky data migration?

    Beckymail allows you to export emails in EML and MBOX formats.

  2. How do I import data into Becky ?

    How do I import data into Becky?

    1. Open a Becky account.
    2. Open Becky’s account.
    3. Then select the “Import” option.
    4. The data file import was successful.
  3. What is the file extension for Outlook ?

    Outlook extensions supported include .PST, .ost, .msg, .nst, etc.

  4. How do I select all in Becky Mail?

    Use CTRL + A on your keyboard to select all the emails in Becky Mail.

Also see: How to Convert OST to PST for Free?

lastly

In this blog, we’ve explained the best and possible ways to migrate Becky to Outlook. We’ve used both the manual method and the method of saving Becky email data in EML format. While this is fine for a small number of data files, if you have a large mailbox or want to migrate professional and important data, you should use BitRecover’s expert tool to export Becky to PST. We’re available 24/7 to help you.


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